SQL Paging

SQL Paging Select Query

SELECT *
  FROM (SELECT *
          FROM ( SELECT ROWNUM SNO
                      , RESULT.*
                   FROM (

SELECT DISTINCT PSD.PSD_SUMMARYID   PMD_SUMMARYID,
                                                  TO_CHAR(PSD.PSD_CREATEDTIME, :dateFormat) PSD_CREATEDTIME,
                                                  PSD.PSD_CREATEDTIME CREATEDTIME,
                                                  INS.INS_NAME  INSURERNAME                                             
                                               
                                    FROM [SCHEMA].PLC_PSD_PAYMENTSUMMARYDETAILS PSD
                                                INNER JOIN [SCHEMA].PLC_PMD_PAYMENTDETAILS PMD
                                                ON PSD.PSD_SUMMARYID = PMD.PMD_SUMMARYID
                                                INNER JOIN [SCHEMA].PLC_PLC_POLICY PLC
                                                ON PMD.PMD_POLICYID = PLC.PLC_POLICYID
                                                INNER JOIN [SCHEMA].MST_INS_INSURERMASTER INS
                                                ON INS.INS_INSURERID              = PSD.PSD_INSURERID
                                                WHERE PLC.PLC_APPLICATIONCLIENTKEY = :APPLICATIONCLIENTKEY
                                                AND PLC.PLC_DEALERID               = :PLC_DEALERID
                                                AND PMD.PMD_SUMMARYID IS NOT NULL
                                     order by PMD_SUMMARYID desc

) RESULT
                  WHERE ROWNUM <=(:Page_No*10) ORDER BY ROWNUM DESC )
         WHERE ROWNUM <=10 ORDER BY ROWNUM DESC
       )
 ORDER BY SNO